package day03;

public class IfElseDemo {
	public static void main(String[] args) {
		double price = 600.0;
		if (price >= 500){
			price *= 0.8;
		}else {
			price *= 0.9;
		}
		System.out.println("最终金额："+price);

		double score = 600;
		if (score>=0 && score<=100){
			System.out.println(score+"成绩合法");
		}else {
			System.out.println(score+"成绩不合法");
		}
	}
}
